Home / 22,215.22-33,332.04-9,728.80

Finding the Fourth Proportional to 22,215.22, 33,332.04 and 9,728.80

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Solution

The fourth proportional to 22,215.22, 33,332.04 and 9,728.80 is: 14,597.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,215.22 : 33,332.04 = 9,728.80 : x
  2. Step 2: Convert to fraction form
    22,215.22/33,332.04 = 9,728.80/x
  3. Step 3: Cross multiply
    22,215.22x = 33,332.04 × 9,728.80
  4. Step 4: Simplify right side
    22,215.22x = 324,280,750.75
  5. Step 5: Solve for x
    x = 324,280,750.75/22,215.22
  6. Step 6: Final answer
    x = 14,597.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.